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Finding the Fourth Proportional to 76,508.76, 105,551.87 and 44,237.49

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Solution

The fourth proportional to 76,508.76, 105,551.87 and 44,237.49 is: 61,030.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,508.76 : 105,551.87 = 44,237.49 : x
  2. Step 2: Convert to fraction form
    76,508.76/105,551.87 = 44,237.49/x
  3. Step 3: Cross multiply
    76,508.76x = 105,551.87 × 44,237.49
  4. Step 4: Simplify right side
    76,508.76x = 4,669,349,793.61
  5. Step 5: Solve for x
    x = 4,669,349,793.61/76,508.76
  6. Step 6: Final answer
    x = 61,030.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.